home-assistant: add allowlist_external_dirs to systemd unit ReadWritePaths #104268
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Motivation for this change
Home Assistant has configuration setting
allowlist_external_dirs
to grant access to a directory (save security camera footage, etc.), but the service unit file hasProtectSystem
enabled, blocking access to this. If the configuration is managed through NixOS, the paths are automatically added, and since the option is declared as a list now you can add paths manually in other cases throughsystemd.services.home-assistant.serviceConfig.ReadWritePaths = [ ... ];
Things done
modified nixos/modules/services/misc/home-assistant.nix to add specified paths in
services.home-assistant.config.homeassistant.allowlist_external_dirs
to the systemd service's ReadWritePaths.sandbox
innix.conf
on non-NixOS linux)nix-shell -p nixpkgs-review --run "nixpkgs-review wip"
./result/bin/
)nix path-info -S
before and after)